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123022021311113 = 17442111113147293
BaseRepresentation
bin11011111110001101001011…
…111000010011101010001001
3121010120210100012000211012212
4123332031023320103222021
5112111043044423423423
61113351311505314505
734625022241406411
oct3376151370235211
9533523305024185
10123022021311113
1136220389941961
121196a5aa035a35
135384c08330982
142254424893641
15e351422d7578
hex6fe34be13a89

123022021311113 has 16 divisors (see below), whose sum is σ = 130300682971536. Its totient is φ = 115748039546880.

The previous prime is 123022021311089. The next prime is 123022021311149. The reversal of 123022021311113 is 311113120220321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8455225237369 + 114566796073744 = 2907787^2 + 10703588^2 .

It is not a de Polignac number, because 123022021311113 - 244 = 105429835266697 is a prime.

It is a super-2 number, since 2×1230220213111132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123022021316113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 835146095 + ... + 835293387.

It is an arithmetic number, because the mean of its divisors is an integer number (8143792685721).

Almost surely, 2123022021311113 is an apocalyptic number.

It is an amenable number.

123022021311113 is a deficient number, since it is larger than the sum of its proper divisors (7278661660423).

123022021311113 is a wasteful number, since it uses less digits than its factorization.

123022021311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162844.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123022021311113 its reverse (311113120220321), we get a palindrome (434135141531434).

The spelling of 123022021311113 in words is "one hundred twenty-three trillion, twenty-two billion, twenty-one million, three hundred eleven thousand, one hundred thirteen".

Divisors: 1 17 4421 11113 75157 147293 188921 2503981 49130573 651182353 835219741 1636867109 11070100001 27826740853 7236589488889 123022021311113